Average Co-Inventor Count = 2.57
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Elkem Metals Company (3 from 27 patents)
3 patents:
1. 5149364 - Desulfurization agent
2. 5078784 - Desulfurization agent
3. 4941914 - Desulfurization agent